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Originally Posted by Rick TYler
I Googled on "potentiometer sliding" and found a bazillion hits. Here's a link to a manufacturer: http://www.ctscorp.com/components/Datasheets/442.pdf.
Have fun.
Edited to add: I found a number with center detents, but not self-returning. Have you considered a string pot with some sort of custom-made mechanical doohickey as the controller? |
No doohickey needed. Just attach a spring to it. Have the shaft of the potentiometer go through the windings of the spring. As you turn it, the spring will unwind and once you stop putting force on it it will snap back to place.